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Kernel: Remove some Region construction helpers
It's now up to the caller to provide a VMObject when constructing a new Region object. This will make it easier to handle things going wrong, like allocation failures, etc.
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parent
fddc3c957b
commit
88b334135b
4 changed files with 5 additions and 30 deletions
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@ -38,16 +38,6 @@
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namespace Kernel {
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Region::Region(const Range& range, const String& name, u8 access, bool cacheable)
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: m_range(range)
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, m_vmobject(AnonymousVMObject::create_with_size(size()))
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, m_name(name)
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, m_access(access)
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, m_cacheable(cacheable)
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{
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MM.register_region(*this);
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}
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Region::Region(const Range& range, NonnullRefPtr<VMObject> vmobject, size_t offset_in_vmobject, const String& name, u8 access, bool cacheable)
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: m_range(range)
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, m_offset_in_vmobject(offset_in_vmobject)
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@ -175,13 +165,6 @@ size_t Region::amount_shared() const
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return bytes;
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}
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NonnullOwnPtr<Region> Region::create_user_accessible(const Range& range, const StringView& name, u8 access, bool cacheable)
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{
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auto region = make<Region>(range, name, access, cacheable);
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region->m_user_accessible = true;
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return region;
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}
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NonnullOwnPtr<Region> Region::create_user_accessible(const Range& range, NonnullRefPtr<VMObject> vmobject, size_t offset_in_vmobject, const StringView& name, u8 access, bool cacheable)
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{
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auto region = make<Region>(range, move(vmobject), offset_in_vmobject, name, access, cacheable);
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@ -196,13 +179,6 @@ NonnullOwnPtr<Region> Region::create_kernel_only(const Range& range, NonnullRefP
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return region;
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}
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NonnullOwnPtr<Region> Region::create_kernel_only(const Range& range, const StringView& name, u8 access, bool cacheable)
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{
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auto region = make<Region>(range, name, access, cacheable);
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region->m_user_accessible = false;
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return region;
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}
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bool Region::should_cow(size_t page_index) const
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{
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auto& slot = vmobject().physical_pages()[page_index];
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